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Finding the Fourth Proportional to 22,345.54, 33,488.07 and 8,486.98

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Solution

The fourth proportional to 22,345.54, 33,488.07 and 8,486.98 is: 12,718.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,345.54 : 33,488.07 = 8,486.98 : x
  2. Step 2: Convert to fraction form
    22,345.54/33,488.07 = 8,486.98/x
  3. Step 3: Cross multiply
    22,345.54x = 33,488.07 × 8,486.98
  4. Step 4: Simplify right side
    22,345.54x = 284,212,580.33
  5. Step 5: Solve for x
    x = 284,212,580.33/22,345.54
  6. Step 6: Final answer
    x = 12,718.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.